Add CI and Maven Central snapshot publishing workflows

- Add distributionManagement for Sonatype Central snapshots
- Add CI workflow for build verification on push/PR
- Add publish-snapshot workflow (auto-triggers on push to main)
- Add release workflow for manual Maven Central releases

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: Mark Pollack

.github/workflows/ci.yml

@@ -0,0 +1,39 @@
+name: CI Build
+
+on:
+  push:
+    branches: [main]
+    paths-ignore:
+      - 'docs/**'
+      - '*.md'
+  pull_request:
+    branches: [main]
+
+concurrency:
+  group: ci-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+          cache: maven
+
+      - name: Build with Maven
+        run: ./mvnw clean verify -B
+
+      - name: Upload test results
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-results
+          path: '**/target/surefire-reports/'
+          retention-days: 7

.github/workflows/publish-snapshot.yml

@@ -0,0 +1,50 @@
+name: Publish Snapshot
+
+on:
+  push:
+    branches: [main]
+    paths-ignore:
+      - 'docs/**'
+      - '*.md'
+  workflow_dispatch:
+    inputs:
+      skip_tests:
+        description: 'Skip tests for quick publishing'
+        required: false
+        default: false
+        type: boolean
+
+concurrency:
+  group: publish-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+          cache: maven
+          server-id: central
+          server-username: MAVEN_USERNAME
+          server-password: MAVEN_PASSWORD
+
+      - name: Build and verify
+        run: |
+          if [ "${{ inputs.skip_tests }}" = "true" ]; then
+            ./mvnw clean verify -B -DskipTests
+          else
+            ./mvnw clean verify -B
+          fi
+
+      - name: Publish snapshot to Maven Central
+        run: ./mvnw deploy -B -DskipTests
+        env:
+          MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
+          MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}

.github/workflows/release.yml

@@ -0,0 +1,74 @@
+name: Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Release version (e.g., 0.9.0)'
+        required: true
+      skip_tests:
+        description: 'Skip tests (use for hotfixes only)'
+        required: false
+        default: false
+        type: boolean
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+          cache: maven
+          server-id: central
+          server-username: MAVEN_USERNAME
+          server-password: MAVEN_PASSWORD
+          gpg-private-key: ${{ secrets.GPG_SECRET_KEY }}
+          gpg-passphrase: MAVEN_GPG_PASSPHRASE
+
+      - name: Set version
+        run: ./mvnw versions:set -DnewVersion=${{ inputs.version }} -DgenerateBackupPoms=false
+
+      - name: Verify no SNAPSHOT dependencies
+        run: |
+          if grep -r "SNAPSHOT" --include="pom.xml" . | grep -v "<!--" | grep -v "target/"; then
+            echo "ERROR: Found SNAPSHOT references in POM files"
+            exit 1
+          fi
+          echo "No SNAPSHOT dependencies found"
+
+      - name: Build and verify
+        run: |
+          if [ "${{ inputs.skip_tests }}" = "true" ]; then
+            ./mvnw clean verify -B -DskipTests
+          else
+            ./mvnw clean verify -B
+          fi
+
+      - name: Publish release to Maven Central
+        run: ./mvnw deploy -B -DskipTests -Prelease
+        env:
+          MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
+          MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+
+      - name: Create Git tag
+        run: |
+          git config user.name "GitHub Actions"
+          git config user.email "actions@github.com"
+          git tag -a v${{ inputs.version }} -m "Release v${{ inputs.version }}"
+          git push origin v${{ inputs.version }}
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: v${{ inputs.version }}
+          name: Release ${{ inputs.version }}
+          draft: false
+          prerelease: ${{ contains(inputs.version, '-') }}
+          generate_release_notes: true

pom.xml

@@ -294,6 +294,13 @@
         </profile>
     </profiles>
 
+    <distributionManagement>
+        <snapshotRepository>
+            <id>central</id>
+            <url>https://central.sonatype.com/repository/maven-snapshots/</url>
+        </snapshotRepository>
+    </distributionManagement>
+
     <repositories>
         <repository>
             <id>maven-central</id>